Japanese encephalitis
Overview
Japanese encephalitis is a viral infection spread by the bite of infected mosquitoes. It's more common in rural and agricultural areas.
Symptoms
Most cases are mild. Rarely, the infection causes serious brain swelling with a sudden headache, high fever and disorientation.
Treatments
Treatment involves supportive care. A vaccine is available.
Last Updated May 20, 2020
© 2024 Mayo Foundation for Medical Education and Research (MFMER). All rights reserved. Terms of Use